DBA-doing business as DNR-did not respond NA-not applicable NR-not ranked The Central Penn Business Journal's list of computer-training companies is limited to those in or near Adams, Cumberland, Dauphin, Lancaster, Lebanon, Perry or York counties. Information came from the individual companies and other Business Journal research. To access the Business Journal's online database, visit www.CentralPennBusiness.com/ListCentral. Surveys available at www.CPBJsurveys.info; follow @CPBJListCentral on Twitter.